\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Appendix Table: Probit estimates for positive child care expenditures (1-2 kids ages 0-12, pos\_chcare\_imp, 2002 and 2007)}
\begin{tabular}{l*{1}{c}}
\hline\hline
                              &\multicolumn{1}{c}{(1)}\\
                              &\multicolumn{1}{c}{All Mothers}\\
                              &      b/se         \\
\hline
ln\_pratio\_4ca                 &     0.035         \\
                              &   (0.035)         \\
Child's age                   &    -0.040\sym{***}\\
                              &   (0.006)         \\
Mother some coll.             &     0.098\sym{***}\\
                              &   (0.025)         \\
Mother coll+                  &     0.120\sym{***}\\
                              &   (0.028)         \\
Mother's age                  &    -0.002         \\
                              &   (0.002)         \\
Mother white                  &    -0.029         \\
                              &   (0.025)         \\
Num children age 0-5          &     0.089\sym{**} \\
                              &   (0.027)         \\
Num of children               &    -0.054\sym{*}  \\
                              &   (0.022)         \\
Married                       &    -0.028         \\
                              &   (0.026)         \\
2002.year                     &     0.000         \\
                              &       (.)         \\
2007.year                     &    -0.194\sym{***}\\
                              &   (0.028)         \\
HH Head same state            &    -0.015         \\
                              &   (0.024)         \\
Any children ages 13+         &    -0.045         \\
                              &   (0.033)         \\
\hline
N                             &      1391         \\
\hline\hline
\end{tabular}
\end{table}
